NEW YORK--(BUSINESS WIRE)--Fitch Ratings affirms the ratings on the class A and B notes issued by Panhandle-Plains Student Finance Corporation - SFC 2001 Trust Indenture (TX). The Rating Outlook remains Stable. KEY RATING DRIVERS High Collateral Quality: The trust collateral consists of 77.44% of Federal Family Education Loan Program (FFELP) loans. The credit quality of the trust collateral is high, in Fitch's opinion, based on the guarantees provided by the transaction's eligible guarantors an